P.P.S. Postscript additional.

P.R. Prize-ring; Porto Rico.

P.R., Populus Romanus=The Roman people.

pr. Pair; Per; Present; Price; Pronoun; Prince; Priest; Provençal.

P.R.A. President of the Royal Academy.

P.R.B. Pre-Raphaelite Brotherhood.

Preb. Prebend, Prebendary.

pref. Preface.

Pres., Preses. President.

P.R.I.B.A. President of the Royal Institute of British Architects.